Footwear sole



FIG. 1 is a perspective view of the footwear sole embodying the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

FIGS. 1-6 show an upper in broken lines. The upper is shown for environmental purposes and does not form any part of the claimed design.

The broken lines immediately adjacent to the claimed subject matter shown in solid lines, represent the boundary of the design. The broken lines form no part of the claim. 

The ornamental design for footwear sole, as shown and described. 